Febuxostat N-Butyl Isomer

Name: Febuxostat N-Butyl Isomer
Brand: Vaqora Chemicals
SKU: VQ-025730

About Febuxostat N-Butyl Isomer

Listed under CAS 1657014-33-9, Febuxostat N-Butyl Isomer is an impurity of Febuxostat available from Vaqora Chemicals. Its molecular formula is C16H16N2O3S and its molecular weight is 316.4 g/mol. Systematically, it is named 2-(4-butoxy-3-cyanophenyl)-4-methyl-1,3-thiazole-5-carboxylic acid. Common synonyms include O-Desisobutyl O-n-Butyl Febuxostat and Febuxostat Butyl Ether Analog.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Febuxostat impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Febuxostat N-Butyl Isomer in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Febuxostat

View every impurity, metabolite and intermediate we list for Febuxostat.

Febuxostat impurities

Specifications & identifiers

Chemical identifiers
Product name	Febuxostat N-Butyl Isomer
Catalogue No.	VQ-025730
CAS Number	1657014-33-9
IUPAC name	2-(4-butoxy-3-cyanophenyl)-4-methyl-1,3-thiazole-5-carboxylic acid
Molecular formula	C₁₆H₁₆N₂O₃S
Molecular weight	316.4 g/mol
Exact mass	316.0882
Grade	Reference Standard
HSN code	38229090
InChIKey	KFYGOMDVRIXGBJ-UHFFFAOYSA-N
SMILES	CCCCOC1=C(C=C(C=C1)C2=NC(=C(S2)C(=O)O)C)C#N
PubChem CID	131874756

Physical properties
Physical form	Solid
LogP (XLogP3)	3.8
H-bond donors / acceptors	1 / 6
TPSA	111 Å²
Synonyms	O-Desisobutyl O-n-Butyl Febuxostat, Febuxostat Butyl Ether Analog, 2-(4-Butoxy-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid, 2-(4-Butoxy-3-cyanophenyl)-4-methyl-5-thiazolecarboxylic Acid, Febuxostat n-Butoxy Acid (K), 2-(4-Butoxy-3-cyanophenyl)-4-methylthiazole-5-carboxylicacid, 2-(4-butoxy-3-cyano-phenyl)-4-methyl-thiazole-5-carboxylic acid

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Febuxostat N-Butyl Isomer?

The CAS Registry Number of Febuxostat N-Butyl Isomer is 1657014-33-9. It is also known as O-Desisobutyl O-n-Butyl Febuxostat, Febuxostat Butyl Ether Analog, 2-(4-Butoxy-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid.

What is the molecular formula and molecular weight of Febuxostat N-Butyl Isomer?

Febuxostat N-Butyl Isomer has the molecular formula C16H16N2O3S and a molecular weight of 316.4 g/mol. Its IUPAC name is 2-(4-butoxy-3-cyanophenyl)-4-methyl-1,3-thiazole-5-carboxylic acid.

What is Febuxostat N-Butyl Isomer used for?

Febuxostat N-Butyl Isomer is supplied as a characterised reference material related to Febuxostat. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Febuxostat N-Butyl Isomer can I order?

We supply Febuxostat N-Butyl Isomer in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Febuxostat N-Butyl Isomer?

Yes. Every lot of Febuxostat N-Butyl Isomer is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Febuxostat N-Butyl Isomer be shipped internationally?

Yes. We export Febuxostat N-Butyl Isomer worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.